(3S,4S)-3,4-Diamino-1-benzylpyrrolidine
(3S,4S)-3,4-Diamino-1-benzylpyrrolidine (CAS 193352-75-9) is a chiral heterocyclic building block with the molecular formula C11H17N3 and a molecular weight of 191.27 g/mol. This compound serves as a valuable intermediate in organic synthesis, particularly within the pharmaceutical and fine chemical industries. Its diamine and pyrrolidine functionalities allow for diverse chemical transformations, making it a useful component in the construction of complex molecular architectures.
- IUPAC
- (3S,4S)-1-Benzylpyrrolidine-3,4-diamine
- Synonyms
- 193352-75-9C11H17N3(3S,4S)-1-Benzylpyrrolidine-3,4-diamine

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, leveraging its chiral structure for stereoselective synthesis.
Chiral Building Block
Serves as a versatile synthon in the development of novel organic molecules, particularly those requiring specific stereochemical configurations.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic routes and developing advanced materials.
| Molecular weight | 191.27 |
|---|---|
| Empirical formula | C11H17N3 |
| Assay | ≥90.0% (HPLC)90.0-105.0% (NT) |
| Optical purity | enantiomeric excess: ≥98.0% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (3S,4S)-3,4-Diamino-1-benzylpyrrolidine used for?
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(3S,4S)-3,4-Diamino-1-benzylpyrrolidine is primarily used as a chiral building block and intermediate in organic synthesis, particularly in the development of pharmaceuticals and fine chemicals.
What is the CAS number and formula for (3S,4S)-3,4-Diamino-1-benzylpyrrolidine?
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The CAS number for (3S,4S)-3,4-Diamino-1-benzylpyrrolidine is 193352-75-9 and its molecular formula is C11H17N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (3S,4S)-3,4-Diamino-1-benzylpyrrolidine with an assay of ≥90.0% (HPLC) and an optical purity (enantiomeric excess) of ≥98.0%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP or other pharmacopoeia grades.
How should (3S,4S)-3,4-Diamino-1-benzylpyrrolidine be handled?
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This compound is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes; remove contact lenses if present and easy to do. Continue rinsing.
Is this chemical a controlled substance?
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The provided data does not indicate that (3S,4S)-3,4-Diamino-1-benzylpyrrolidine is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packages and exports fine chemicals in compliance with international shipping regulations, ensuring product integrity and safety during transit.
How can I request a sample or quote for (3S,4S)-3,4-Diamino-1-benzylpyrrolidine?
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To request a sample or obtain a quotation for (3S,4S)-3,4-Diamino-1-benzylpyrrolidine, please contact our sales department via the website or by telephone.
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